package day0710;

import java.util.Scanner;

public class Test1 {
    public static void main(String[] args) {
        Scanner s=new Scanner(System.in);
        String cmd=s.nextLine();
        judgeSeason(cmd);
    }
    static void judgeSeason(String  seasonStr){
        switch (seasonStr){
            case "春天": System.out.println("spring");  break;
            case "夏天": System.out.println("summer");  break;
            case "秋天": System.out.println("fall");  break;
            case "冬天": System.out.println("winter");  break;
            default: System.out.println("您输入的数据有误");  break;
        }
    }



}
